N Concordance 1 ation in the body. For example, a blood test called the sedimentation rate is a 2 ometimes, the doctor may obtain a blood test for CEA (carcinoembyonic antigen). 3 dle biopsy that is done because a blood test showed an elevated PSA level or it 4 fying false negative or ambiguous blood test results. We studied subjects with C 5 ns, spirometry, blood cell count, blood test for liver function, and the frequen 6 ms, examination and muscle enzyme blood test. Corticosteroids have many predic 7 ate. Therefore, a single negative blood test does not mean that the person does 8 t medical records, a fecal occult blood test (FOBT) screening program, and compu 9 ns increased their use of the PSA blood test for men age 65 and older from 1,43 10 albumin concentration, a routine blood test, within the "normal" range have bee